Acura TLX 2017 Owner's Manual
Page 451 of 553
uuMaintenance Under the Hood uEngine Coolant
450
Maintenance
1. Make sure the engine and radiator are 
cool.
2. Turn the radiator cap counterclockwise and 
relieve any pressure in  the cooling system. 
Do not push the cap down when turning.
3. Push down and turn the radiator cap 
counterclockwise to remove it.
4. The coolant level should be up to the base 
of the filler neck. Add coolant if it is low.
5. Put the radiator cap back on, and tighten it 
fully.
6. Pour coolant into the reserve tank until it 
reaches the  MAX mark. Put the cap back 
on the reserve tank.
■Radiator1 Radiator
NOTICE
Pour the fluid slowly and ca refully so you do not spill 
any. Clean up any spills immediately; they can 
damage components in the engine compartment.4-cylinder models
Radiator Cap
6-cylinder models
Radiator Cap
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451
uuMaintenance Under the Hood uTransmission Fluid
Maintenance
Transmission Fluid
Have a dealer check the fluid level and replace if necessary.
Do not attempt to check or change th e automatic transmission fluid yourself.
Have a dealer check the fluid level and replace if necessary.
Do not attempt to check or change th e automatic transmission fluid yourself.
■Dual Clutch Transmission Fluid*
Specified fluid: Acura Automatic Transmission Fluid ATF-TYPE 2.0
■Automatic Transmission Fluid*
Specified fluid: Acura Automatic Transmission Fluid ATF-TYPE 3.0
1Dual Clutch Transmission Fluid*
NOTICE
Do not mix Acura ATF-TYPE 2.0 with other 
transmission fluids.
Using a transmission fluid ot her than Acura ATF-TYPE 
2.0 may adversely affect the operation and durability 
of your vehicle’s transm ission, and damage the 
transmission.
Any damage caused by usi ng a transmission fluid that 
is not equivalent to Ac ura ATF-TYPE 2.0 is not 
covered by Acura’s new ve hicle limited warranty.
1Automatic Transmission Fluid*
NOTICE
Do not mix Acura ATF-TYPE 3.0 with other 
transmission fluids.
Using a transmission fluid ot her than Acura ATF-TYPE 
3.0 may adversely affect the operation and durability 
of your vehicle’s transm ission, and damage the 
transmission.
Any damage caused by usi ng a transmission fluid that 
is not equivalent to Ac ura ATF-TYPE 3.0 is not 
covered by Acura’s new ve hicle limited warranty.
* Not available on all models
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452
uuMaintenance Under the Hood uBrake Fluid
Maintenance
Brake Fluid
The fluid level should be between the  MIN 
and  MAX  marks on the side of the reserve 
tank.
Refilling Window  Washer Fluid
Check the amount of window washer  fluid by looking at the reservoir.
If the level is low, fill the washer reservoir.
If the washer fluid is  low, a message appears 
on the multi-information display.
Pour the washer fluid carefully.  Do not overflow the reservoir.
Specified fluid: Acura Heavy Duty Brake Fluid DOT 3
■Checking the Brake Fluid
1Brake Fluid
NOTICE
Brake fluid marked DOT 5 is  not compatible with your 
vehicle’s braking system and can cause extensive 
damage.
If the specified brake fluid is not available, you should 
use only DOT 3 or DOT 4 fluid from a sealed 
container as a temporary replacement.
Using any non-Acura brake fl uid can cause corrosion 
and decrease the longevity of the system. Have the 
brake system flushed and re filled with Acura Heavy 
Duty Brake Fluid DOT 3 as soon as possible.
If the brake fluid level is at or below the  MIN mark, 
have a dealer inspect the vehicle for leaks or worn 
brake pads as soon as possible.
MIN
MAX
Brake Reserve Tank
1 Refilling Window Washer Fluid
NOTICE
Do not use engine antifreeze or a vinegar/water 
solution in the windshield washer reservoir.
Antifreeze can damage y our vehicle’s paint. A 
vinegar/water solution ca n damage the windshield 
washer pump.
Canadian models
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453
Maintenance
Replacing Light Bulbs
Headlights
Headlights are LED type. Have an authorized Acura dealer inspect and replace the 
light assembly.
Fog Lights*
Fog lights are LED type. Have an authorized Acura dealer inspect and replace the 
light assembly.
Front Side Marker/Parking and Daytime Running 
Lights
Front side marker/parking  and daytime running lights are LED type. Have an 
authorized Acura deal er inspect and replace the light assembly.
Side Turn Signal/Emer gency Indicator Lights
Door mirror side turn lights are LED type.  Have an authorized Acura dealer inspect 
and replace the light assembly.
1 Headlights
The headlight aim is set by  the factory, and does not 
need to be adjusted. Howeve r, if you regularly carry 
heavy items in the trunk, have the aiming readjusted 
at a dealer or by a  qualified technician.
* Not available on all models
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454
uuReplacing Light Bulbs uFront Turn Signal Light Bulbs
Maintenance
Front Turn Signal Light Bulbs
When replacing, use the following bulbs.
1.Turn the steering wheel all the way to the 
opposite side from the light being replaced.
Passenger’s side: Turn the steering wheel 
to the left.
Driver’s side:  Turn the steering wheel to 
the right.
2. Remove the holding clips (A) and (B), pull 
the inner fender back.
3. Turn the cover counter-clockwise and 
remove it.
Front Turn Signal Light:  24 W (PWY 24W Amber/Silver)
1Front Turn Signal Light Bulbs
Insert a flat-tip screwdriver, lift and remove the center 
pin to remove the clip.
Insert the clip with the  center pin raised, and push 
until it is flat.
Holding clip (A-type)
Push until the 
pin is flat.
Inner FenderClip (B)
Clip (A)
Cover
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455
uuReplacing Light Bulbs uFront Turn Signal Light Bulbs
Maintenance
4. Push the tab to remove the coupler.
5. Turn the socket counter-clockwise and 
remove it.
6. Remove the old bulb and insert a new bulb.1Front Turn Signal Light Bulbs
Insert a flat-tip screwdriver, lift and remove the 
central pin to remove the clip.
Insert the clip with the  central pin raised, and push 
until it is flat.
Holding clip (B-type)
Central pin
Push until the 
pin is flat.
Tab
Coupler
Bulb
Socket
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456
uuReplacing Light Bulbs uRear Turn Signal Light Bulbs
Maintenance
Rear Turn Signal Light Bulbs
When replacing, use the following bulbs.
1.Pry on the edge of the cover using a flat-tip 
screwdriver to remove the covers.
u Wrap the flat-tip screwdriver with a cloth 
to prevent scratches.
2. Remove the mounting bolts.
3. Pull the light assembly out of the rear pillar.
Rear Turn Signal Light: 21 W
Cover
Bolt
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457
uuReplacing Light Bulbs uBrake and Taillight/Rear Side Marker Lights
Maintenance
4. Turn the socket counter-clockwise and 
remove it. Remove the old bulb.
5. Insert a new bulb.
Brake and Taillight/Rear Side Marker Lights
Brake and taillight/rear side marker lights are LED type. Have an authorized Acura 
dealer inspect and replace the light assembly.
Brake Lights and Taillights
Brake lights and taillights are LED type. Have  an authorized Acura dealer inspect and 
replace the light assembly.
Bulb Socket
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458
uuReplacing Light Bulbs uBack-Up Light Bulbs
Maintenance
Back-Up Light Bulbs
When replacing, use the following bulbs.
1.Remove the holding clip using a flat-tip 
screwdriver, then  pull the lining back.
2. Turn the socket counter-clockwise and 
remove it, then remove the old bulb.
3. Insert a new bulb.
Back-Up Light: 21 W
Clip
Socket
Bulb
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459
uuReplacing Light Bulbs uRear License Plate Lights
Maintenance
Rear License Plate Lights
Rear license plate lights are LED type. Have an authorized Acura dealer inspect and 
replace the light assembly.
High-Mount Brake Light
High-mount brake light is LED type. Have  an authorized Acura dealer inspect and 
replace the light assembly.
Puddle Lights*
Puddle lights are LED type. Have an authorized Acura dealer inspect and replace the 
light assembly.
* Not available on all models
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